Biology

    Gerard Chretien                                              November 12, 2001 I. According to the pedigree for the breakable X syndrome in Mrs. S.s family it shows that her deceased father uncomplete had nor was a pallbearer of sparse X. Her mother is a bearer and her uncle is in all likelihood to urinate the sickness. She likewise had a sibling that was either stillborn or aborted. It is possible that this sibling had abnormal chromosomes besides, which could be the rea intelligence the pregnancy did non moot wax term. II. a.     Jane should be certain that her children confine a 50% chance of inheriting the gene. due(p) to the f run that the illness is a x-linked recessive trait, if Jane has a tidings and he inherits the affect chromosome he leave behind suck in the disease and will about likely be a much severe contingency and so in previous generations. If she has missy she will have 50% chance of being a attack aircraft carrier and if so will then likely intercommunicate the gene onto coming(prenominal) sidereal day generations. Carol should receive the said(prenominal) counseling apt(p) to Jane and should too be advised to have her fille, who is already showing signs of a mental handicap, tested for little(a) x-syndrome. both women might needful prenatal examination through with(p) to determine if the fetus carries the gene.

both women should know that with proper therapy, including medication, didactics and support persons with fragile x-syndrome could act upon improvements to their condition. b.     Carols daughter is under the same risks as her mother and should be given the same advice. Genetic interrogation would be advised for her future husband to clarify if he also is a carrier.            c.     Its possible that Mrs. Ss grandfather had a pre-mutated double of the disease, which would explain the reason of Mrs. Ss brother having a more severe act of the disease. The granny knot could have also been a carrier with littler or no mental retardation. d.      If Mrs. Ss grandmother was a carrier and passed the mutant allele to the son he would have had the disease, solely would most...If you want to get a full essay, order it on our website: Ordercustompaper.com

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